Episode Source Material:
PRESS RELEASE/FOR IMMEDIATE DISSEMINATION SUBJECT: Arrest of cold case homicide suspect. (n.d.). [Press release]. https://drive.google.com/file/d/1PiYOp8BW4A1SCEaQggQwq50KRZIpaWzQ/view
The Des Moines Register, T. D. M. R. (2016, July 16). Gone Cold: Rhonda Knutson, killed in 1992. Des Moines Register. Retrieved December 14, 2022, from https://eu.desmoinesregister.com/story/news/crime-and-courts/2016/07/16/gone-cold-rhonda-knutson-killed-1992/87188262/?from=global
(1998, Dec 23).CHICKASAW COUNTY, TV show to look at murder, The Gazette.
(1992, Dec 21). Reward climbs in slaying, The Cedar Rapids Gazette.
Williamstown Populated Place Profile / Chickasaw County, Iowa Data. (n.d.). https://iowa.hometownlocator.com/ia/chickasaw/williamstown.cfm
Larry-J-Anderson – User Trees – Genealogy.com. (n.d.). https://www.genealogy.com/ftm/a/n/d/Larry-J-Anderson/WEBSITE-0001/UHP-0058.html
(1992, Sept 8). Trucker sough in N. Hampton slaying, The Gazette.
Swinton, Val (1992 Sept 9). Slain clerk liked nights despite warnings. Beaten to death; robbery report called unfounded, The Gazette.
Unsolved Crimes – Sheriff’s Office – Chickasaw County, Iowa. (n.d.). https://chickasawcounty.iowa.gov/sheriff/unsolved_crimes/
Iowa Cold Cases, Inc. (2021, October 17). Rhonda Knutson. Iowa Cold Cases. https://iowacoldcases.org/case-summaries/rhonda-knutson/
Wikipedia contributors. (2022, December 3). Unincorporated area. Wikipedia. https://en.wikipedia.org/wiki/Unincorporated_area
Just a moment. . . (n.d.-b). https://www.classmates.com/siteui/people/clark-baldwin/6414650/schools
Marten. (2022, May 12). Marten Transport – Expect the Best. Marten Transport, Ltd. https://www.marten.com/
Cavallier, A. (2020, May 8). Accused serial killer Clark Perry Baldwin being investigated in 1992 slaying of Tammy Jo Zywicki. NBC News. https://www.nbcnews.com/dateline/accused-serial-killer-clark-perry-baldwin-being-investigated-1992-slaying-n1203211
Garcia, C. T. F. A. J. T. (2020, May 8). Suspected serial killer arrested, accused of killings in Tennessee and Wyoming. Here’s what we know. Nashville Tennessean. https://eu.tennessean.com/story/new s/crime/2020/05/07/clark-perry-baldwin-iowa-what-to-know/3087903001/
Pai, A. (2020, May 7). How serial killer Clark Baldwin’s trash helped FBI link him to brutal slayings of pregnant women in 1990s. MEAWW. https://meaww.com/clark-baldwin-iowa-serial-killer-arrested-decades-old-slayings-of-three-women-iowa-pregnant-suspect
Sahouri, C. T. F. A. A. M. D. M. R. (2020, May 9). Woman who lived with suspected Iowa serial killer struggles to reconcile “gentle giant” she knew with murders he’s accused of committing. Des Moines Register. https://eu.desmoinesregister.com/story/news/crime-and-courts/2020/05/08/iowa-serial-killer-clark-perry-baldwin-gentle-giant-former-roommate-says/3093973001/
CBS Chicago. (2020, May 9). Authorities Back Away From Probe Of Accused Serial Killer Clark Perry Baldwin In Tammy Jo Zywicki Murder. CBS News. https://www.cbsnews.com/chicago/news/accused-serial-killer-clark-perry-baldwin-investigated-in-slaying-of-tammy-jo-zywicki-other-unsolved-murders/
Foley, R. (2020). COURTS & CRIME Trucker from Iowa charged in 1990s slayings of 3 women, including one from Gloucester. Daily Press. https://www.tribpub.com/gdpr/dailypress.com/
Unsolved Crimes – Sheriff’s Office – Chickasaw County, Iowa. (n.d.-b). https://chickasawcounty.iowa.gov/sheriff/unsolved_crimes/
Foley, R. (2020b). Trucker charged in serial killings, including Pamela McCall from Topping, Virginia, faces scrutiny for other murders. Abc 8 News. https://www.wric.com/news/u-s-world/trucker-charged-in-serial-killings-including-pamela-mccall-from-topping-virginia-faces-scrutiny-for-other-murders/
Waldrop, T., & Lynch, J. (2020, May 8). Suspect in serial killings arrested in 29-year-old cold case. CNN. https://edition.cnn.com/2020/05/08/us/tennessee-cold-case-suspected-serial-killer-arrest/index.html
Alund, N. T. N. T. (2020, May 15). How a true crime book and a DNA hit led to an arrest in Spring Hill’s coldest case — and maybe more. Nashville Tennessean. https://eu.tennessean.com/story/news/crime/2020/05/15/spring-hill-tennessee-cold-case-pamela-aldridge-mccall-clark-perry-baldwin/3091571001/
Unsolved, S. O. T. (2021, January 3). Bitter Creek Betty. Stories of the Unsolved. https://storiesoftheunsolved.com/2020/11/25/bitter-creek-betty/
Thompson, E. G. (2020, May 7). Bitter Creek Betty & Sheridan County Jane Doe. Morbidology. https://morbidology.com/bitter-creek-betty-sheridan-county-jane-doe/
Lynch, C. J. (2020, September 13). The Unnamed: Bitter Creek Betty. The Morbid Library. https://themorbidlibrary.com/2020/05/23/the-unnamed-bitter-creek-betty/
213UFWY. (n.d.). https://www.doenetwork.org/cases/213ufwy.html photo source
Pasqualini, K. L. (2022, January 1). Truck Driver is Suspected Killer of “Bitter Creek Betty” and Other Women. Medium. https://medium.com/the-shadow/truck-driver-is-suspected-killer-of-bitter-creek-betty-and-other-women-6324baaf4d73
Pasqualini, K. L. (2022b, December 20). Truck Driver Is Suspected 1992 Killer of “Bitter Creek Betty” and Other Women. The CrimeWire. https://thecrimewire.com/true-crime/Truck-Driver-Is-Suspected-1992-Killer-of-Bitter-Creek-Betty-and-Other-Women
Wiederspahn, A. (2020, May 8). Who Are “Bitter Creek Betty” and “I-90 Jane Doe”? Cowboy State Daily -. https://cowboystatedaily.com/2020/05/08/who-are-bitter-creek-betty-and-i-90-jane-doe/
390UFWY (doenetwork.org) photo source
390UFWY. (n.d.). https://www.doenetwork.org/cases/390ufwy.html